Damascus chef knives display distinctive wave patterns created by forge-welding 30-100 alternating steel layers. High-carbon cores (60-62 HRC) provide sharp edges whilst outer layers add strength and corrosion resistance. Traditional Japanese Damascus uses VG-10 or SG2 steel cores. Acid etching reveals the characteristic rippled appearance after forging. Pattern styles include raindrop, twist, and ladder designs. Functional benefits include reduced food sticking and improved cutting glide. Quality Damascus blades cost £120-400. Hand forging produces superior results compared to machine pressing.